The DFC rear brake wheel cylinder for 1992–2011 Chevrolet Cobalt applications (rear, right or left) is a replacement unit specified for that model run. Supplied to restore hydraulic function in the rear drum brakes, it’s offered as a model-specific service part covering the listed years and both rear positions where applicable.
DFC 92-11 Chevrolet Cobalt Rear-R/Rear-L Brake Wheel Cylinder